Earth Is Surrounded by a 1,000-Light-Year-Wide Bubble

[WilliamPaolini]

“We find that all nearby, young stars formed as powerful supernova explosions triggered an expanding shockwave, sweeping up interstellar clouds of gas and dust into a cold dense shell that now forms the surface of the Local Bubble,” said study co-author Catherine Zucker in an email to Gizmodo.

“Astronomers have theorized for many decades that supernovae can ‘sweep up’ gas into dense clouds that ultimately form new stars, but our work provides the strongest observational evidence to date in support of this theory,” added Zucker, an astronomer at the Center for Astrophysics | Harvard & Smithsonian.

https://gizmodo.com/earth-is-surrounded ... 1848344405

[helicon]

Very interesting article - thanks for the share Bill!

[MistrBadgr]

If all of these explosions were not type 1 supernovas, I wonder where the neutron stars or black holes are. Considering the location of our solar system is in the middle of this bubble, seems like we could have an object like that fairly near us.